From c6702c7d3f53b0eb07e452c732df1b8f5765b287 Mon Sep 17 00:00:00 2001
From: Yang Tse <yangsita@gmail.com>
Date: Sat, 24 Sep 2011 17:38:16 +0200
Subject: curl tool: reviewed code moved to tool_*.[ch] files

---
 src/tool_cb_skt.c | 97 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 src/tool_cb_skt.c

(limited to 'src/tool_cb_skt.c')

diff --git a/src/tool_cb_skt.c b/src/tool_cb_skt.c
new file mode 100644
index 000000000..156c1108e
--- /dev/null
+++ b/src/tool_cb_skt.c
@@ -0,0 +1,97 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at http://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "setup.h"
+
+#include <curl/curl.h>
+
+#ifdef HAVE_SYS_SOCKET_H
+#  include <sys/socket.h>
+#endif
+
+#define ENABLE_CURLX_PRINTF
+/* use our own printf() functions */
+#include "curlx.h"
+
+#include "tool_cfgable.h"
+#include "tool_msgs.h"
+#include "tool_cb_skt.h"
+
+#include "memdebug.h" /* keep this as LAST include */
+
+/*
+** callback for CURLOPT_SOCKOPTFUNCTION
+*/
+
+int tool_sockopt_cb(void *userdata, curl_socket_t curlfd, curlsocktype purpose)
+{
+  struct Configurable *config = userdata;
+
+  int onoff = 1; /* this callback is only used if we ask for keepalives on the
+                    connection */
+
+#if defined(TCP_KEEPIDLE) || defined(TCP_KEEPINTVL)
+  int keepidle = (int)config->alivetime;
+#endif
+
+  switch(purpose) {
+  case CURLSOCKTYPE_IPCXN:
+    if(setsockopt(curlfd, SOL_SOCKET, SO_KEEPALIVE, (void *)&onoff,
+                  sizeof(onoff)) < 0) {
+      /* don't abort operation, just issue a warning */
+      SET_SOCKERRNO(0);
+      warnf(config, "Could not set SO_KEEPALIVE!\n");
+      return 0;
+    }
+    else {
+      if(config->alivetime) {
+#ifdef TCP_KEEPIDLE
+        if(setsockopt(curlfd, IPPROTO_TCP, TCP_KEEPIDLE, (void *)&keepidle,
+                      sizeof(keepidle)) < 0) {
+          /* don't abort operation, just issue a warning */
+          SET_SOCKERRNO(0);
+          warnf(config, "Could not set TCP_KEEPIDLE!\n");
+          return 0;
+        }
+#endif
+#ifdef TCP_KEEPINTVL
+        if(setsockopt(curlfd, IPPROTO_TCP, TCP_KEEPINTVL, (void *)&keepidle,
+                      sizeof(keepidle)) < 0) {
+          /* don't abort operation, just issue a warning */
+          SET_SOCKERRNO(0);
+          warnf(config, "Could not set TCP_KEEPINTVL!\n");
+          return 0;
+        }
+#endif
+#if !defined(TCP_KEEPIDLE) || !defined(TCP_KEEPINTVL)
+        warnf(config, "Keep-alive functionality somewhat crippled due to "
+              "missing support in your operating system!\n");
+#endif
+      }
+    }
+    break;
+  default:
+    break;
+  }
+
+  return 0;
+}
+
-- 
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